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    <title>Document</title>
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    <!-- <h3>210学生成绩单</h3> -->
    <!-- cellspacing="0"  单元格之间的间距
       cellpadding="0"  内容与单元格之间的间距
       rowspan="2" 合并同一列的单元格
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    <table border="1" width="300px" cellspacing="0" cellpadding="0">
        <!-- 表格的标题 -->
        <caption>210学生成绩单</caption>
        <tr>
            <th rowspan="2">姓名</th>
            <th colspan="2">科目</th>
            <!-- <td>113</td> -->
            <th rowspan="2">总分</th>
        </tr>
        <tr>
            <!-- <td>姓名</td> -->
            <th>语文</th>
            <th>数学</th>
            <!-- <td>总分</td> -->
        </tr>
        <tr>
            <td>311</td>
            <td>312</td>
            <td>313</td>
            <td>314</td>
        </tr>
        <tr>
            <td>311</td>
            <td>312</td>
            <td>313</td>
            <td>314</td>
        </tr>
        <tr>
            <td>311</td>
            <td>312</td>
            <td>313</td>
            <td>314</td>
        </tr>
        <tr>
            <td>311</td>
            <td>312</td>
            <td>313</td>
            <td>314</td>
        </tr>
    </table>
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